EP0635421A1 - Rétroviseur pour un véhicule à deux roues - Google Patents

Rétroviseur pour un véhicule à deux roues Download PDF

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Publication number
EP0635421A1
EP0635421A1 EP94110928A EP94110928A EP0635421A1 EP 0635421 A1 EP0635421 A1 EP 0635421A1 EP 94110928 A EP94110928 A EP 94110928A EP 94110928 A EP94110928 A EP 94110928A EP 0635421 A1 EP0635421 A1 EP 0635421A1
Authority
EP
European Patent Office
Prior art keywords
mirror
holder
tube
view mirror
wheeler
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP94110928A
Other languages
German (de)
English (en)
Inventor
Erika Menz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Von Braun Franz-Josef
Original Assignee
Von Braun Franz-Josef
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Von Braun Franz-Josef filed Critical Von Braun Franz-Josef
Publication of EP0635421A1 publication Critical patent/EP0635421A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J29/00—Adaptations or arrangements of mirrors for use on cycles

Definitions

  • the present invention relates to a rear-view mirror for a two-wheeler according to the preamble of claim 1.
  • a rear-view mirror is already known from US Pat. No. 3,981,567.
  • Two-wheelers with rear-view mirrors are already known, which have two rear-view mirrors, which are attached to long rods and are respectively attached to the left and right ends of the handlebars and protrude obliquely outwards from the latter.
  • Such an arrangement has the disadvantage that the mirrors are damaged if the bicycle falls.
  • the area immediately axially behind the bicycle can only be insufficiently captured.
  • large mirrors of this type increase the air resistance not inconsiderably and are also used less and less for modern bicycles for optical reasons.
  • the object of the present invention is to further develop the generic rear view mirror in such a way that when the rear view mirror is attached to an upper tube, a rear viewing area located directly below the upper tube can also be suitably reproduced.
  • a rear view mirror is specified, which is structurally particularly simple in construction, since the distance between the holder and the mirror holder is small and, as a result, connecting struts between the mirror holder and the holder can be made short and thus save material.
  • the rear-view mirror can image the entire area, in particular axially behind the bicycle, in a beam path that is delimited laterally by the user's legs, above by the saddle and below by the rear wheel is.
  • the mirror has a recess at its lower edge which is designed such that a tube to which the holder is attached can reach through it.
  • the mirror holder attached to the holder carries a mirror, which thus has at its lower edge a preferably semi-circular recess adapted to the tube. If the mirror is tilted so that the tube extends through the recess, the mirror plane extends further downward on both sides of the tube, so that a lower-lying area behind the two-wheeler can be imaged.
  • the recess also serves as an effective support of the mirror on the tube.
  • the holder is connected to the mirror holder by a ball joint. Such a connection is recommended in order to be able to adjust the mirror holder in any position to the holder. This means that different geometric dimensions of two-wheelers and corresponding body sizes of users can be taken into account.
  • the mirror has a width which corresponds approximately to the length of a pedal crankshaft.
  • pedal bars are mounted vertically, which are located approximately in the plane of the user's legs.
  • the recess occupy at least 35% of the longitudinal dimension of the mirror surface. A sufficient extension of the mirror surface over the tube is possible on both sides.
  • the holder is designed as a clip which is attached or attached to the tube. This makes the rear view mirror easy to assemble and disassemble.
  • the mirror in the working position has an inclination of approximately 30 ° to 60 °, particularly preferably approximately 40 ° to 50 ° to the horizontal. At an angle of 45 °, the area immediately behind the two-wheeler can be detected when the driver looks down vertically on the mirror.
  • the preferred working position of the rearview mirror is in a range of +/- 5 ° or 10 ° around this position.
  • the mounting of the rearview mirror is preferably attached to an upper tube.
  • the holder can be suitably moved on this tube and brought into the correct position for the user.
  • the holder in the case of a women's bicycle, it is preferred to fasten the holder to a head tube or down tube if there is no top tube.
  • bracket is alternatively attached to a handlebar tube or handlebar stem if a change in the rear view area of the rearview mirror is desired as a function of a steering angle.
  • the two-wheeler turns to the right, the rear view area is shifted to the left with respect to the user and vice versa.
  • the mirror is curved, specifically from a transverse plane transverse to the frame of the bicycle, so that the viewing areas further to the left and further to the right behind the user can also be detected.
  • Fig. 1 shows a side view of an embodiment of the rearview mirror according to the invention on a two-wheeler.
  • FIG. 2 shows a rear view of the view from FIG. 1.
  • FIG 3 shows a perspective view of a structure of the rearview mirror.
  • Fig. 4 shows another perspective structure of the rear view mirror.
  • FIG. 5 shows a top view of the rear view mirror from FIG. 4.
  • 6a shows a rear view mirror with angled end sections in cross section.
  • Fig. 6b shows a flat rear view mirror in cross section.
  • 6c shows a curved rear view mirror in cross section.
  • a conventional men's bicycle with an upper tube 6 is shown, to which a bracket 2 of a rearview mirror designed in the form of a clamp is fastened.
  • the holder 2 is designed as a clip and is plugged onto the front tube of the top tube 6 in the vicinity of the front wheel.
  • a mirror holder 4 which carries the actual mirror 12 on its outside, is articulated on the bracket 2 of the rearview mirror designed as a clip by means of a ball joint 44, 46.
  • the mirror In its working position, the mirror is preferably arranged at an angle of approximately 30 ° to 60 ° to the top tube 6, particularly preferably approximately 45 °. In this position, a user's head located vertically above the mirror can visually detect the area immediately behind the bicycle.
  • the clip is attached in the front region of the top tube at a distance of at most 40 cm from a head tube 16.
  • the control tube 16 is connected to the top tube 6 at the front end thereof.
  • the holder 2 of the rearview mirror is preferably mounted in a range of 5 cm to 15 cm from the control tube 16.
  • the rear view mirror formed by the holder 2, mirror holder 4 and mirror 12 is arranged at a height between the saddle 8 and the rear wheel 10, so that a viewing area released between them can be detected. More precisely, the rear view mirror attached to the top tube 6 is at the level of a seat post 24 which carries the saddle 8 at its upper end.
  • the mirror 12 has an essentially rectangular shape and a width which corresponds approximately to the length of a pedal crankshaft 14. This ensures that the mirror takes advantage of the entire area between the user's legs.
  • the bracket 2 of the rearview mirror can be attached to the head tube 16 or a down tube 20, in particular in the case of women's bicycles.
  • the bracket 2 can be attached to a handlebar tube 22 or stem 18 if it is desired that the consideration area changes depending on the steering angle.
  • FIG. 3 shows in perspective a structure of an embodiment of the holder and mirror holder of the rearview mirror, wherein a pivot axis 36 and a tilt axis 38 of the rearview mirror are separated from one another.
  • a flat holding plate 30 is fastened, which carries a cuboid holding attachment 40, in which a bore is formed transversely to the tube 6.
  • the bore serves to receive an axis 38 of an approximately horseshoe-shaped tilting joint 32, which is pivotably mounted on the holding attachment 40 and thus on the holder 2 about the axis 38.
  • At the upper end of the tilting joint 32 there is a bore which is located in the transverse direction to the axis 38 and is intended for receiving a swivel part 34.
  • the pivot part 34 has an elongated pivot axis 36 which is pivotally mounted in the bore of the tilt joint 32.
  • the swivel part 34 has a reinforced flat head part to which the mirror 12 is to be attached. By pivot axis 36 and tilt axis 38, the mirror 12 can be brought into any position.
  • the further embodiment of the rearview mirror shown in perspective in FIG. 4 has a pan holder 42 fastened on the holder 2 on its upper side, which tapers upwards and ends with a pan 44 which is formed obliquely on the pan holder 42.
  • the pan 44 is part of a ball joint and serves to receive a ball head 46, on the rear side of which the mirror 12 is directly attached.
  • the mirror 12 inserted into the pan 44 with the spherical head 46 is displaceable in all directions, i.e. tiltable and swiveling.
  • a recess 48 is formed corresponding to the tube 6, through which the tube extends and supports the mirror 12.
  • the mirror 12 extends downward on both sides of the tube when it is supported on the tube 6, so that a larger viewing area, in particular in the lower area, can be detected behind the driver.
  • FIG. 5 shows a top view of the mirror from FIG. 4.
  • the recess 48 is approximately semicircular in cross-section and is centrally located in the lower region of the mirror. It occupies approximately 40% of the mirror surface in the longitudinal direction and approximately 50% in the transverse direction.
  • 6a shows in cross section a mirror with angled edge sections 13 and 13 ', respectively, which adjoin the central part of the mirror 12' at an obtuse angle.
  • 6b shows a flat or non-curved or beveled mirror 12, which lies flat in one plane.
  • FIG. 6c shows a curved mirror 12 'in cross section, the curvature in cross section being part of a segment of a circle.
  • the areas located further away on both sides behind the bicycle can be detected.
  • the mirror 12 '' acts in the form of a wide angle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
EP94110928A 1993-07-21 1994-07-13 Rétroviseur pour un véhicule à deux roues Withdrawn EP0635421A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4324501 1993-07-21
DE4324501A DE4324501C1 (de) 1993-07-21 1993-07-21 Rückspiegel für ein Zweirad

Publications (1)

Publication Number Publication Date
EP0635421A1 true EP0635421A1 (fr) 1995-01-25

Family

ID=6493382

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94110928A Withdrawn EP0635421A1 (fr) 1993-07-21 1994-07-13 Rétroviseur pour un véhicule à deux roues

Country Status (3)

Country Link
US (1) US5563742A (fr)
EP (1) EP0635421A1 (fr)
DE (1) DE4324501C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7040771B2 (en) 2001-06-29 2006-05-09 Mcguinness Tony Bicycle rear view mirror

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6273572B1 (en) * 1999-08-31 2001-08-14 Sate-Lite Manufacturing Company Bicycle reflector and mounting bracket
US8643722B2 (en) * 2008-10-08 2014-02-04 Cerevellum Design, Llc Rear-view display system for a bicycle
GB201009694D0 (en) 2010-06-10 2010-07-21 Hunter Stephen Motorcycle blind spot mirror
BE1021490B1 (nl) * 2012-10-11 2015-12-02 Osmana Besloten Vennootschap Met Beperkte Aansprakelijkheid Fiets voorzien van een spiegelend oppervlak en gebruik van een spiegelend oppervlak
BE1026025B1 (nl) 2018-02-19 2019-09-16 Osmana Bvba Fietsspiegel en fiets voorzien van een dergelijke fietsspiegel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE947136C (de) * 1952-01-05 1956-08-09 Otto Erich Stoltenhoff Rueckblickspiegel fuer Fahrzeuge, insbesondere fuer Fahr- und Motorraeder
US3918567A (en) * 1973-03-28 1975-11-11 Edward D Kittredge Process printing
US4054375A (en) * 1976-04-15 1977-10-18 Carl Ribeca Rear view cycling mirror

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3905678A (en) * 1974-04-24 1975-09-16 Richard M Blasy Cycle reflector
US3981567A (en) * 1975-02-19 1976-09-21 Cululi John J Bicycle frame mounted rear view mirror
US3995945A (en) * 1975-10-20 1976-12-07 Addicks Lyle F Axle adjacent mounted bicycle mirror assembly
US4135788A (en) * 1977-10-03 1979-01-23 Albert Sargis Cycle handlebar rear view mirror assembly
US4326774A (en) * 1980-10-29 1982-04-27 William Beigl Snap-on convex rear view mirror for bicycles
GB2197465B (en) * 1986-09-17 1990-05-30 Atomic Energy Authority Uk Crack sizing
US5148327A (en) * 1991-06-10 1992-09-15 Gaxiola Jr Miguel Forward view mirror system for bicycles

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE947136C (de) * 1952-01-05 1956-08-09 Otto Erich Stoltenhoff Rueckblickspiegel fuer Fahrzeuge, insbesondere fuer Fahr- und Motorraeder
US3918567A (en) * 1973-03-28 1975-11-11 Edward D Kittredge Process printing
US4054375A (en) * 1976-04-15 1977-10-18 Carl Ribeca Rear view cycling mirror

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7040771B2 (en) 2001-06-29 2006-05-09 Mcguinness Tony Bicycle rear view mirror

Also Published As

Publication number Publication date
DE4324501C1 (de) 1994-12-01
US5563742A (en) 1996-10-08

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